"Pavlov's dog" experiments with bell ringing as the association, operating on food being served after the bell's chime, involved him measuring the dogs' salivation quantity as a result. It was a study on classical conditioning.
He showed that two things become associated because there is anticipation of reward.
Answer:
based off of "sudden" and "surprising" I'd say D
They attempted to stimulate "<span>primary demand".</span>
The definition of primary demand advertising in simple words
can be that any type of marketing which inspires the actual demand of the
object. This tells people who consume the product the benefits of the whole
product class.
Granting titles of nobility
Permitting slavery
Denying citizens the right to vote due to race (colour) or previous servitude
Denying citizens the right to vote due to gender <span />